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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Cottonized flax
Standard published on 12.10.2022
Selected format:Electric cables-test methods for accessories for power cables with rated voltages from 6kV(Um=7.2kV)up to 35kV(Um=40.5kV)
Standard published on 25.11.2002
Selected format:Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 220 kVUm=252 kV—Part 1: Test methods and requirements
Standard published on 9.10.2015
Selected format:Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 220 kVUm=252 kV—Part 2: Power cables
Standard published on 9.10.2015
Selected format:Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 220 kVUm=252 kV—Part 3: Accessories
Standard published on 9.10.2015
Selected format:Designation of phase differences by hour numbers in three-phase AC systems
Standard published on 25.4.2024
Selected format:Environmental protect requirements of copying machines—Energy saving requirements for copiers and multi-function devices
Standard published on 31.12.2024
Selected format:Specification on electronic documents archiving and electronic records management
Standard published on 29.8.2016
Selected format:Translation-oriented terminography
Standard published on 4.12.2002
Selected format:Performance requirements and test methods for Doppler very high frequency omnidirectional radio range
Standard published on 4.12.2002
Selected format:Latest update: 2026-09-18 (Number of items: 2 301 509)
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